Year	constant 2010 US$
2001	4828.15498309451
2002	4717.94013483885
2003	4947.86785499271
2004	5199.70770618171
2005	5342.73905165276
2006	5566.30179532856
2007	5747.67596535679
2008	5924.76322298947
2009	5790.18535375621
2010	5895.72692803625
2011	6128.2582929772
2012	6260.81356702789
2013	6286.57119447109
2014	6417.99520835545
2015	6569.94380948862
2016	6636.76456377713
2017	6560.98127495399
